The effects of the joint clearance variables to the position repeatability of the robot end effector are analyzed using a two-dimensional vector method to define the joint clearance variables.
对关节间隙变量采用二维矢量表示法，分析了机器人关节间隙对机器人末端位置重复精度的影响。
Theory analysis showed that the method of two-position alignment increases the observability degree of state variables, especially for the error of accelerometer and azimuth misalignment.
理论分析结果表明，两位置对准可以提高系统状态变量的可观测度，尤其对加速度计误差和方位失准角的可观测度提高作用明显。
From the thinking of both position variables and size variables, a global method that can solve the optimization problems was present in this paper.
从元件位置和元件尺寸两个方面考虑，提出了一种全局结构优化设计方法。
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